public static string GetCachingInterceptKey(this ServiceEntry serviceEntry, [NotNull] object[] parameters,
[NotNull] ICachingInterceptProvider cachingInterceptProvider)
{
Check.NotNull(parameters, nameof(parameters));
Check.NotNull(cachingInterceptProvider, nameof(cachingInterceptProvider));
var templete = cachingInterceptProvider.KeyTemplete;
if (templete.IsNullOrEmpty())
{
throw new LmsException("缓存拦截指定的KeyTemplete不允许为空", StatusCode.CachingInterceptError);
}
var cachingInterceptKey = string.Empty;
var cacheKeyProviders = new List <ICacheKeyProvider>();
var index = 0;
var typeConvertibleService = EngineContext.Current.Resolve <ITypeConvertibleService>();
foreach (var parameterDescriptor in serviceEntry.ParameterDescriptors)
{
if (parameterDescriptor.CacheKeys.Any())
{
if (parameterDescriptor.IsSample)
{
var cacheKeyProvider = parameterDescriptor.CacheKeys.First();
cacheKeyProvider.Value = parameters[index]?.ToString();
cacheKeyProviders.Add(cacheKeyProvider);
}
else
{
var parameterValue =
typeConvertibleService.Convert(parameters[index], parameterDescriptor.Type);
foreach (var cacheKey in parameterDescriptor.CacheKeys)
{
var cacheKeyProp = parameterDescriptor.Type.GetProperty(cacheKey.PropName);
Debug.Assert(cacheKeyProp != null, nameof(cacheKeyProp));
cacheKey.Value = cacheKeyProp.GetValue(parameterValue)?.ToString();
cacheKeyProviders.Add(cacheKey);
}
}
}
index++;
}
var templeteAgrs = cacheKeyProviders.OrderBy(p => p.Index).ToList().Select(ckp => ckp.Value).ToArray();
cachingInterceptKey = string.Format(templete, templeteAgrs);
var currentServiceKey = EngineContext.Current.Resolve <ICurrentServiceKey>();
if (!currentServiceKey.ServiceKey.IsNullOrEmpty())
{
cachingInterceptKey = $"serviceKey:{currentServiceKey.ServiceKey}:" + cachingInterceptKey;
}
if (cachingInterceptProvider.OnlyCurrentUserData)
{
var session = NullSession.Instance;
if (!session.IsLogin())
{
throw new LmsException("缓存数据如果指定与当前登录用户相关,那么必须登录系统才允许使用缓存拦截", StatusCode.CachingInterceptError);
}
cachingInterceptKey = cachingInterceptKey + $":userId:{session.UserId}";
}
return(cachingInterceptKey);
}
public static bool IsTransactionServiceEntry([NotNull] this ServiceEntry serviceEntry)
{
Check.NotNull(serviceEntry, nameof(serviceEntry));
return(serviceEntry.CustomAttributes.Any(p =>
p.GetType().GetTypeInfo().FullName == "Lms.Transaction.TransactionAttribute"));
}